tapping head

例句：

1. 1.The artist used a hammer to tap the wooden surface.
   艺术家用锤子敲击木头表面。
2. 2. The child was tapping his head in frustration.
   孩子因沮丧而敲打他的头。
3. 3. The musician tapped his foot impatiently while waiting for his turn.
   音乐家不耐烦地敲打着脚等待轮到他。